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New technique could be used to search space dust for life's ingredients

Academics / General Science : ScienceDaily: Science Society

While the origin of life remains mysterious, scientists are finding more and more evidence that material created in space and delivered to Earth by comet and meteor impacts could have given a boost to the start of life. Some meteori...

Study builds on plausible scenario for origin of life on Earth

Academics / General Science : ScienceDaily: Science Society

A relatively simple combination of naturally occurring sugars and amino acids offers a plausible route to the building blocks of life, according to a new article. The study shows how the precursors to RNA could have formed on Earth ...

"Early Earth: The RNA and DNA Worlds Evolved Simultaneously" --New Theory of the Origin of Life

Academics / Astronomy : The Daily Galaxy

A new study led by scientists at The Scripps Research Institute (TSRI) offers a twist on a popular theory for how life on Earth began about four billion years ago, challenging the "RNA world" hypothesis, a theory for how RNA...

RNA controls splicing during gene expression, further evidence of 'RNA world' origin in modern life

Academics / General Science : Science Codex

RNA is the key functional component of spliceosomes, molecular machines that control how genes are expressed, report scientists from the University of Chicago online, Nov. 6 in Nature. The discovery establishes that RNA, not protein...

RNA --"DNA's Messenger or the Origin of Life on Earth?" (Weekend Feature)

Academics / Astronomy : The Daily Galaxy

Scientists today generally agree that DNA is the result of life on Earth, rather than its origin. But many molecular biologists are embracing the intruiging possibility, and strong evidence, that the first life on Earth involved che...


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